Gemstones of the World
Walter Schumann
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Rocks & Minerals of...
Dan R Lynch,
Bob Lynch
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Rocks and Minerals
Chris Pellant
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Rock Pickers Guide to Lake...
Mark Sparky Stensaas,
Rick Kollath (Illustrator)
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The Firefly Guide to Minerals...
Rupert Hochleitner
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Great Lakes Rocks: 4 Billion...
Stephen E Kesler
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Rocks, Gems and Minerals: A...
Paul R Shaffer,
Herbert S Zim
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The Golden Trade: Or a...
Richard Jobson,
Charles G Kingsley (Editor)
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Southeast Treasure Hunter's...
Kathy J. Rygle
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Mineralogy
Dexter Perkins
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Rocks and Minerals of...
Vinson Brown,
Professor David Allan
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Handbooks: Rocks and Minerals...
Chris Pellant
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The Gems of Hiddenite, North...
Mark Ivan Jacobson,
Wade Edward Speer
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An introduction to the rock...
W. A. Deer
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Complete Book of Rocks &...
Dorling Kindersley Publishing (Editor),
Chris Pellant
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Finding Gold in Colorado: The...
Laura a Hoeppner (Photographer),
Kevin A Singel
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Crystals and Gems: From...
DK
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Agates: Treasures of the Earth
Roger Pabian
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Gemstones: A Concise...
Robin Hansen
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Manual of Mineralogy
James Dwight Dana
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An Assessment of Mine...
Vladimir Pacheco Cueva
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Pearl: Nature's Perfect Gem
Fiona Lindsay Shen
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Finding Gold in Colorado:...
Laura a Hoeppner (Photographer),
Kevin Singel
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Geometrical and Structural...
Joseph V Smith
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